{ "api_version": "1", "kind": "dse_post", "self": "https://update.dsesecurity.com/api/v1/posts/prove-supervised-door-inputs-by-opening-and-shorting-the-circuit/", "item": { "id": "https://update.dsesecurity.com/updates/prove-supervised-door-inputs-by-opening-and-shorting-the-circuit/", "slug": "prove-supervised-door-inputs-by-opening-and-shorting-the-circuit", "url": "https://update.dsesecurity.com/updates/prove-supervised-door-inputs-by-opening-and-shorting-the-circuit/", "alternate_urls": { "markdown": "https://update.dsesecurity.com/updates/prove-supervised-door-inputs-by-opening-and-shorting-the-circuit.md", "json": "https://update.dsesecurity.com/api/v1/posts/prove-supervised-door-inputs-by-opening-and-shorting-the-circuit/" }, "title": "Prove supervised door inputs by opening and shorting the circuit", "summary": "A normal door-contact test does not prove line supervision. Commission the exact controller and resistor scheme by creating safe open- and short-circuit faults.", "format": { "slug": "checklist", "name": "Checklist" }, "priority": { "slug": "important", "name": "Important" }, "featured": false, "image": { "theme": "physical-security", "label": "Physical security", "alt": "Integrated video surveillance and controlled entry at a modern commercial facility.", "card_url": "https://update.dsesecurity.com/assets/editorial/physical-security-card.webp?v=1.8.20", "hero_url": "https://update.dsesecurity.com/assets/editorial/physical-security-hero.webp?v=1.8.20", "social_url": "https://update.dsesecurity.com/assets/editorial/physical-security-social-v2.jpg?v=1.8.20", "width": 2400, "height": 1350 }, "topics": [ { "slug": "access-control", "name": "Access Control", "url": "https://update.dsesecurity.com/topic/access-control/" } ], "author": { "name": "DSE Security Editorial Team", "url": "https://update.dsesecurity.com/#editorial-team", "type": "Organization" }, "publisher": { "name": "Detection Systems & Engineering", "url": "https://dsesecurity.com/" }, "published_at": "2026-08-25T21:35:36+00:00", "modified_at": "2026-08-25T21:36:17+00:00", "reviewed_on": "2026-08-25", "reading_minutes": 3, "word_count": 444, "potentially_affected": "AXIS A1610 Network Door Controller installations using supervised door monitor, request-to-exit, or other inputs with end-of-line resistors.", "dse_recommendation": "Verify resistor placement and configured values, then create controlled normal, active, open-line, and short-line states and confirm distinct alarms reach the operator.", "primary_source": { "name": "AXIS A1610 Network Door Controller User Manual — Supervised inputs", "url": "https://help.axis.com/en-us/axis-a1610#supervised-inputs", "published_on": null, "authority": "Axis Communications" }, "publishing_principles": "https://update.dsesecurity.com/updates/dse-updates-editorial-methodology/", "usage_info": "https://update.dsesecurity.com/usage/", "copyright_notice": "Copyright © 2026 Detection Systems & Engineering. All rights reserved.", "content_html": "

Bottom line: seeing door open and door closed proves only two functional states. A supervised circuit is intended to distinguish expected operation from wiring faults or tampering, so acceptance must include controlled fault states at the end of the installed run.

\n

Source fact: the A1610 supports supervised inputs with end-of-line resistors

\n

The AXIS A1610 Network Door Controller User Manual — Supervised inputs documents supervised door-monitor and input connections using end-of-line resistors. It identifies supported resistor configurations and describes alarm behavior for an interrupted connection.

\n

The physical placement of the resistor matters. A resistor fitted inside the controller cabinet can make the panel see an expected value while leaving most of the field cable and contact outside the supervised boundary.

\n

Source boundary and applicability

\n

The manual applies to the A1610 and the documented hardware/firmware context. Terminal functions, resistor values, wiring limits, alarm names, and configuration differ across controllers and products. This article does not authorize live shorting, bypassing, or modifying energized field wiring. Qualified access-control and electrical personnel must use the exact manual, site design, and safe work procedure.

\n

Applicability questions

\n\n

DSE recommendation: commission electrical state through operator response

\n

The following steps are DSE recommendations based on the cited source.

\n

Compare drawings, actual termination, configured supervision type, and the exact current manual before testing. In an approved maintenance window, have qualified personnel create each state with a supported test method at the field endpoint: normal, active, open-line, and short-line. Protect life safety, maintain alternate monitoring, and restore the circuit after every test.

\n

At the same time, verify controller indication, server event, operator alarm, timestamp, door identity, notification, acknowledgement, and recovery. Confirm a fault does not masquerade as an ordinary door opening or silently clear without history. Correct resistor placement and mapping under change control.

\n

Repeat one test at the cabinet and one at the field endpoint when the approved design allows it. Different results can reveal that only part of the installed conductor is supervised.

\n

Verification and evidence

\n

Retain approved point schedules, exact product and firmware, resistor and wiring documentation, photographs of authorized terminations, instrument or test method, event logs for every state, notification and acknowledgement evidence, restoration check, deficiency tickets, and qualified acceptance. Do not publish sensitive wiring details broadly.

\n

Official references

\n", "content_text": "Bottom line: seeing door open and door closed proves only two functional states. A supervised circuit is intended to distinguish expected operation from wiring faults or tampering, so acceptance must include controlled fault states at the end of the installed run.\nSource fact: the A1610 supports supervised inputs with end-of-line resistors\nThe AXIS A1610 Network Door Controller User Manual — Supervised inputs documents supervised door-monitor and input connections using end-of-line resistors. It identifies supported resistor configurations and describes alarm behavior for an interrupted connection.\nThe physical placement of the resistor matters. A resistor fitted inside the controller cabinet can make the panel see an expected value while leaving most of the field cable and contact outside the supervised boundary.\nSource boundary and applicability\nThe manual applies to the A1610 and the documented hardware/firmware context. Terminal functions, resistor values, wiring limits, alarm names, and configuration differ across controllers and products. This article does not authorize live shorting, bypassing, or modifying energized field wiring. Qualified access-control and electrical personnel must use the exact manual, site design, and safe work procedure.\nApplicability questions\n\nWhich inputs are configured as supervised and which resistor scheme is documented for each?\nAre the end-of-line components physically located at the monitored device or another approved endpoint?\nCan the system distinguish normal, active, open, and short conditions?\nWhich event name, priority, notification, and ticket should each fault create?\nDoes an offline controller retain and forward the fault after reconnection?\n\nDSE recommendation: commission electrical state through operator response\nThe following steps are DSE recommendations based on the cited source.\nCompare drawings, actual termination, configured supervision type, and the exact current manual before testing. In an approved maintenance window, have qualified personnel create each state with a supported test method at the field endpoint: normal, active, open-line, and short-line. Protect life safety, maintain alternate monitoring, and restore the circuit after every test.\nAt the same time, verify controller indication, server event, operator alarm, timestamp, door identity, notification, acknowledgement, and recovery. Confirm a fault does not masquerade as an ordinary door opening or silently clear without history. Correct resistor placement and mapping under change control.\nRepeat one test at the cabinet and one at the field endpoint when the approved design allows it. Different results can reveal that only part of the installed conductor is supervised.\nVerification and evidence\nRetain approved point schedules, exact product and firmware, resistor and wiring documentation, photographs of authorized terminations, instrument or test method, event logs for every state, notification and acknowledgement evidence, restoration check, deficiency tickets, and qualified acceptance. Do not publish sensitive wiring details broadly.\nOfficial references\n\nAXIS A1610 Network Door Controller User Manual — Supervised inputs – Axis Communications", "content_markdown": "Bottom line: seeing door open and door closed proves only two functional states. A supervised circuit is intended to distinguish expected operation from wiring faults or tampering, so acceptance must include controlled fault states at the end of the installed run.\n\n## Source fact: the A1610 supports supervised inputs with end-of-line resistors\n\nThe [AXIS A1610 Network Door Controller User Manual — Supervised inputs](https://help.axis.com/en-us/axis-a1610#supervised-inputs) documents supervised door-monitor and input connections using end-of-line resistors. It identifies supported resistor configurations and describes alarm behavior for an interrupted connection.\n\nThe physical placement of the resistor matters. A resistor fitted inside the controller cabinet can make the panel see an expected value while leaving most of the field cable and contact outside the supervised boundary.\n\n## Source boundary and applicability\n\nThe manual applies to the A1610 and the documented hardware/firmware context. Terminal functions, resistor values, wiring limits, alarm names, and configuration differ across controllers and products. This article does not authorize live shorting, bypassing, or modifying energized field wiring. Qualified access-control and electrical personnel must use the exact manual, site design, and safe work procedure.\n\n## Applicability questions\n\n- Which inputs are configured as supervised and which resistor scheme is documented for each?\n\n- Are the end-of-line components physically located at the monitored device or another approved endpoint?\n\n- Can the system distinguish normal, active, open, and short conditions?\n\n- Which event name, priority, notification, and ticket should each fault create?\n\n- Does an offline controller retain and forward the fault after reconnection?\n\n## DSE recommendation: commission electrical state through operator response\n\nThe following steps are DSE recommendations based on the cited source.\n\nCompare drawings, actual termination, configured supervision type, and the exact current manual before testing. In an approved maintenance window, have qualified personnel create each state with a supported test method at the field endpoint: normal, active, open-line, and short-line. Protect life safety, maintain alternate monitoring, and restore the circuit after every test.\n\nAt the same time, verify controller indication, server event, operator alarm, timestamp, door identity, notification, acknowledgement, and recovery. Confirm a fault does not masquerade as an ordinary door opening or silently clear without history. Correct resistor placement and mapping under change control.\n\nRepeat one test at the cabinet and one at the field endpoint when the approved design allows it. Different results can reveal that only part of the installed conductor is supervised.\n\n## Verification and evidence\n\nRetain approved point schedules, exact product and firmware, resistor and wiring documentation, photographs of authorized terminations, instrument or test method, event logs for every state, notification and acknowledgement evidence, restoration check, deficiency tickets, and qualified acceptance. Do not publish sensitive wiring details broadly.\n\n## Official references\n\n- [AXIS A1610 Network Door Controller User Manual — Supervised inputs](https://help.axis.com/en-us/axis-a1610#supervised-inputs) – Axis Communications" }, "json_ld": { "@context": "https://schema.org", "@graph": [ { "@type": "Organization", "@id": "https://dsesecurity.com/#organization", "name": "Detection Systems & Engineering", "alternateName": "DSE Security", "url": "https://dsesecurity.com/", "logo": { "@type": "ImageObject", "url": "https://update.dsesecurity.com/assets/dse-logo-20260812.png?v=1.8.20" } }, { "@type": "Organization", "@id": "https://update.dsesecurity.com/#editorial-team", "name": "DSE Security Editorial Team", "url": "https://update.dsesecurity.com/", "parentOrganization": { "@id": "https://dsesecurity.com/#organization" } }, { "@type": "WebSite", "@id": "https://update.dsesecurity.com/#website", "name": "DSE Updates", "alternateName": "DSE Security Knowledge Hub", "url": "https://update.dsesecurity.com/", "inLanguage": "en-US", "publisher": { "@id": "https://dsesecurity.com/#organization" }, "potentialAction": { "@type": "SearchAction", "target": { "@type": "EntryPoint", "urlTemplate": "https://update.dsesecurity.com/?q={search_term_string}" }, "query-input": "required name=search_term_string" } }, { "@type": "WebPage", "@id": "https://update.dsesecurity.com/updates/prove-supervised-door-inputs-by-opening-and-shorting-the-circuit/", "url": "https://update.dsesecurity.com/updates/prove-supervised-door-inputs-by-opening-and-shorting-the-circuit/", "isPartOf": { "@id": "https://update.dsesecurity.com/#website" }, "lastReviewed": "2026-08-25" }, { "@type": "BreadcrumbList", "@id": "https://update.dsesecurity.com/updates/prove-supervised-door-inputs-by-opening-and-shorting-the-circuit/#breadcrumbs", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "DSE Updates", "item": "https://update.dsesecurity.com/" }, { "@type": "ListItem", "position": 2, "name": "Prove supervised door inputs by opening and shorting the circuit", "item": "https://update.dsesecurity.com/updates/prove-supervised-door-inputs-by-opening-and-shorting-the-circuit/" } ] }, { "@type": [ "Article", "TechArticle" ], "@id": "https://update.dsesecurity.com/updates/prove-supervised-door-inputs-by-opening-and-shorting-the-circuit/#article", "identifier": "https://update.dsesecurity.com/updates/prove-supervised-door-inputs-by-opening-and-shorting-the-circuit/", "url": "https://update.dsesecurity.com/updates/prove-supervised-door-inputs-by-opening-and-shorting-the-circuit/", "headline": "Prove supervised door inputs by opening and shorting the circuit", "description": "A normal door-contact test does not prove line supervision. Commission the exact controller and resistor scheme by creating safe open- and…", "abstract": "A normal door-contact test does not prove line supervision. Commission the exact controller and resistor scheme by creating safe open- and short-circuit faults.", "articleBody": "Bottom line: seeing door open and door closed proves only two functional states. A supervised circuit is intended to distinguish expected operation from wiring faults or tampering, so acceptance must include controlled fault states at the end of the installed run.\nSource fact: the A1610 supports supervised inputs with end-of-line resistors\nThe AXIS A1610 Network Door Controller User Manual — Supervised inputs documents supervised door-monitor and input connections using end-of-line resistors. It identifies supported resistor configurations and describes alarm behavior for an interrupted connection.\nThe physical placement of the resistor matters. A resistor fitted inside the controller cabinet can make the panel see an expected value while leaving most of the field cable and contact outside the supervised boundary.\nSource boundary and applicability\nThe manual applies to the A1610 and the documented hardware/firmware context. Terminal functions, resistor values, wiring limits, alarm names, and configuration differ across controllers and products. This article does not authorize live shorting, bypassing, or modifying energized field wiring. Qualified access-control and electrical personnel must use the exact manual, site design, and safe work procedure.\nApplicability questions\n\nWhich inputs are configured as supervised and which resistor scheme is documented for each?\nAre the end-of-line components physically located at the monitored device or another approved endpoint?\nCan the system distinguish normal, active, open, and short conditions?\nWhich event name, priority, notification, and ticket should each fault create?\nDoes an offline controller retain and forward the fault after reconnection?\n\nDSE recommendation: commission electrical state through operator response\nThe following steps are DSE recommendations based on the cited source.\nCompare drawings, actual termination, configured supervision type, and the exact current manual before testing. In an approved maintenance window, have qualified personnel create each state with a supported test method at the field endpoint: normal, active, open-line, and short-line. Protect life safety, maintain alternate monitoring, and restore the circuit after every test.\nAt the same time, verify controller indication, server event, operator alarm, timestamp, door identity, notification, acknowledgement, and recovery. Confirm a fault does not masquerade as an ordinary door opening or silently clear without history. Correct resistor placement and mapping under change control.\nRepeat one test at the cabinet and one at the field endpoint when the approved design allows it. Different results can reveal that only part of the installed conductor is supervised.\nVerification and evidence\nRetain approved point schedules, exact product and firmware, resistor and wiring documentation, photographs of authorized terminations, instrument or test method, event logs for every state, notification and acknowledgement evidence, restoration check, deficiency tickets, and qualified acceptance. Do not publish sensitive wiring details broadly.\nOfficial references\n\nAXIS A1610 Network Door Controller User Manual — Supervised inputs – Axis Communications", "datePublished": "2026-08-25T21:35:36+00:00", "dateModified": "2026-08-25T21:36:17+00:00", "mainEntityOfPage": { "@id": "https://update.dsesecurity.com/updates/prove-supervised-door-inputs-by-opening-and-shorting-the-circuit/" }, "inLanguage": "en-US", "isAccessibleForFree": true, "author": { "@type": "Organization", "name": "DSE Security Editorial Team", "url": "https://update.dsesecurity.com/#editorial-team" }, "publisher": { "@id": "https://dsesecurity.com/#organization" }, "image": { "@type": "ImageObject", "@id": "https://update.dsesecurity.com/updates/prove-supervised-door-inputs-by-opening-and-shorting-the-circuit/#primaryimage", "url": "https://update.dsesecurity.com/assets/editorial/physical-security-social-v2.jpg?v=1.8.20", "contentUrl": "https://update.dsesecurity.com/assets/editorial/physical-security-social-v2.jpg?v=1.8.20", "width": 1200, "height": 630, "caption": "Prove supervised door inputs by opening and shorting the circuit" }, "articleSection": [ "Access Control" ], "keywords": [ "Access Control", "Checklist", "Important priority" ], "genre": "Checklist", "about": [ { "@type": "Thing", "name": "Access Control", "url": "https://update.dsesecurity.com/topic/access-control/" } ], "wordCount": 444, "timeRequired": "PT3M", "publishingPrinciples": "https://update.dsesecurity.com/updates/dse-updates-editorial-methodology/", "usageInfo": "https://update.dsesecurity.com/usage/", "copyrightHolder": { "@id": "https://dsesecurity.com/#organization" }, "copyrightNotice": "Copyright © 2026 Detection Systems & Engineering. All rights reserved.", "citation": { "@type": "CreativeWork", "name": "AXIS A1610 Network Door Controller User Manual — Supervised inputs", "url": "https://help.axis.com/en-us/axis-a1610#supervised-inputs" } } ] } }